21. Code of practice for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases (other than for mining applications or explosives processing and manufacture). (30th November 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Information processing systems. Data interchange on 90 mm (3, 5 in) flexible disk cartridges using modified frequency modulationrecording at 15916 ftprad, on 80 tracks on each side. Track format Part 2, (28th October 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Procedures for automatic fault isolation using test loops. (29th June 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Information technology. Guidelines for the preparation of programming language standards. (31st July 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Information technology. Open systems interconnection. Systems management. Alarm reporting function Part 4, (15th March 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Low speed digital signals for use in coal mines. Specification for message protocols Part 3, (31st January 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Specification for data logging and monitoring of lifts, escalators and passenger conveyors. (15th April 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Internal and external fault behaviour of safety related electronic parts of gas appliances. (15th April 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. Code of practice for exterior deterrent systems. (15th November 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. BS ISO 11992-4. Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles. Part 4. Diagnostic communication (10th August 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗